Effective group decision making

What determines the quality of a group judgment and above all; what leads to a qualitative decision? When large groups of people come together to make a decision, there are a number of factors that influence the quality of the decision. How do you coordinate the different insights of all those involved, without this becoming a complex and time-consuming process?

So many people, so many wishes

Group decision-making is a participatory process in which individuals participate collectively in the decision-making process. In group decision making, the decision is no longer attributable to one person. The decisions made by a group as a whole are different from individualistic decisions. The quality is higher, but also much more time consuming. How do you deal with that?